giantboulder
nounUK /ˈdʒaɪ.ənt ˈbəʊl.dər/
US /ˈdʒaɪ.ənt ˈboʊl.dɚ/
A giant boulder is a very big rock.
The giant boulder blocked the path through the forest.
OTHER MEANINGS
2. A large rock that has been worn smooth by weather or water.
The river carried the giant boulder downstream over many years.
3. A heavy obstacle that is hard to move or get past.
The fallen tree was a giant boulder in our plans for the hike.
4. A very large, solid mass of stone resting on the ground.
We climbed onto the giant boulder to get a better view.